Article Detail Which is the longest wall in world ? Answer: Great wall of China Similar Questions : 1. What is the name of tallest Animal ? Answer: Giraffe 2. Which is Longest road tunnel in the World ? Answer: Lærdal Tunnel (Norway - 24.51 kilometre) 3. Which is the shortest day in the year ? Answer: December 22 4. Which is the Densest populated State of India ? Answer: West Bengal 5. Which is largest continent ? Answer: Asia 6. Which is longest railway station ? Answer: Grand Central Terminal, Chicago(USA). 7. Which is the longest rail tunnel in India ? Answer: Pir Panjal (J&k, 11215 metre) Read more from - Longest and Largest